www.substack.com - Secure (SSL)

Перевірка результатів для: www.substack.com

www.substack.com Є ONLINE

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Додаткова інформація для https://www.substack.com

Technical Information

HTTP Status Code	200
HTTP Version	HTTP/1.1
HTTPS	✔ Available
IP Address	104.18.37.200
Server Software	cloudflare
CDN	Cloudflare
Compression	gzip
ℹ 🔵 Missing X-Frame-Options	The site can be embedded in iframes by third parties (clickjacking risk).

HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.18.37.200
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).

Redirect Chain

#	URL	HTTP Status Code	Status
1	https://www.substack.com:443	301	HTTP/2 301
2	https://substack.com/	200	HTTP/2 200

#1 URL https://www.substack.com:443
HTTP Status Code 301
Status HTTP/2 301

#2 URL https://substack.com/
HTTP Status Code 200
Status HTTP/2 200

Performance

DNS Lookup	4.1 ms
TCP Connect	6.7 ms
TLS Handshake	10.3 ms
Time To First Byte (TTFB)	443.8 ms
Content Download	1.9 ms
Total Response Time	445.7 ms

DNS Lookup 4.1 ms
TCP Connect 6.7 ms
TLS Handshake 10.3 ms
Time To First Byte (TTFB) 443.8 ms
Content Download 1.9 ms
Total Response Time 445.7 ms

Security

HTTPS	✔ Enabled
HSTS	✔ max-age=31536000; includeSubDomains; preload
CSP	✔ Configured
X-Frame-Options	⚠ Not configured
X-Content-Type-Options	⚠ Not configured
HTTP/2	⚠ HTTP/1.1

HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1

SEO Quick Check

Meta Description	The app for independent voices
Canonical	https://substack.com/
Open Graph Title	Substack
Open Graph Description	The app for independent voices
Open Graph Image	https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_lim...
Twitter Card	summary
Twitter Title	Substack
Twitter Description	The app for independent voices
Twitter Image	https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_lim...

Meta Description The app for independent voices
Canonical https://substack.com/
Open Graph Title Substack
Open Graph Description The app for independent voices
Open Graph Image https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_lim...
Twitter Card summary
Twitter Title Substack
Twitter Description The app for independent voices
Twitter Image https://substackcdn.com/image/fetch/$s_!Xim-!,w_400,c_lim...

Detected Technologies

Technology	Google Analytics Cloudflare Node.js

Technology Google Analytics Cloudflare Node.js

HTTP Headers

Date	Sun, 30 Aug 2026 22:07:49 GMT
Content-type	text/html; charset=utf-8
Cf-ray	a3371c4e89d6008a-CDG
Cf-cache-status	DYNAMIC
Cache-control	no-cache
Set-cookie	__cf_bm=uviCHEA0hCMYEshdX1W7sfkGFMgJzf2rpHE2KhAXf5M-1788127669.5259326-1.0.1.1-_5bJZ.mBg1wXaYwoY7Kach7v88c2q8hvhn0Bqh4sirsAPGeC5wVLQmFMmyY8OzMKUBGKmxAez2vCVsoeo9juh7h.PLwdkTcKHeQ7_2xakVd4FwaeYHNg4F49CW7fStJ3; HttpOnly; SameSite=None; Secure; Path=/; Domain=substack.com; Expires=Sun, 30 Aug 2026 22:37:49 GMT
X-served-by	Substack
Server	cloudflare
X-service	web
Strict-transport-security	max-age=31536000; includeSubDomains; preload
Vary	Accept-Encoding
Content-security-policy	frame-ancestors 'self' https://*.substack.com https://substack.com
X-cluster	substack
X-deploy	2dc1fdc32b
X-powered-by	Express
Content-encoding	gzip
Alt-svc	h3=":443"; ma=86400

Meta Tags

Norton-safeweb-site-verification	24usqpep0ejc5w6hod3dulxwciwp0djs6c6ufp96av3t4whuxovj72wfkdjxu82yacb7430qjm8adbd5ezlt4592dq4zrvadcn9j9n-0btgdzpiojfzno16-fnsnu7xd
Theme-color	#16171d
Description	The app for independent voices
Viewport	width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover
Author	Substack

Date Sun, 30 Aug 2026 22:07:49 GMT
Content-type text/html; charset=utf-8
Cf-ray a3371c4e89d6008a-CDG
Cf-cache-status DYNAMIC
Cache-control no-cache
Set-cookie __cf_bm=uviCHEA0hCMYEshdX1W7sfkGFMgJzf2rpHE2KhAXf5M-1788127669.5259326-1.0.1.1-_5bJZ.mBg1wXaYwoY7Kach7v88c2q8hvhn0Bqh4sirsAPGeC5wVLQmFMmyY8OzMKUBGKmxAez2vCVsoeo9juh7h.PLwdkTcKHeQ7_2xakVd4FwaeYHNg4F49CW7fStJ3; HttpOnly; SameSite=None; Secure; Path=/; Domain=substack.com; Expires=Sun, 30 Aug 2026 22:37:49 GMT
X-served-by Substack
Server cloudflare
X-service web
Strict-transport-security max-age=31536000; includeSubDomains; preload
Vary Accept-Encoding
Content-security-policy frame-ancestors 'self' https://*.substack.com https://substack.com
X-cluster substack
X-deploy 2dc1fdc32b
X-powered-by Express
Content-encoding gzip
Alt-svc h3=":443"; ma=86400

Norton-safeweb-site-verification 24usqpep0ejc5w6hod3dulxwciwp0djs6c6ufp96av3t4whuxovj72wfkdjxu82yacb7430qjm8adbd5ezlt4592dq4zrvadcn9j9n-0btgdzpiojfzno16-fnsnu7xd
Theme-color #16171d
Og:type article
Og:title Substack
Twitter:title Substack
Description The app for independent voices
Og:description The app for independent voices
Twitter:description The app for independent voices
Og:image

Twitter:image

Twitter:card summary
Og:image:width 400
Og:image:height 400
Viewport width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, viewport-fit=cover
Author Substack
Og:url https://substack.com/

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Перевірка результатів для: www.substack.com

www.substack.com Є ONLINE